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Will not start in cold weather

Tiny
ALIBET15
  • MEMBER
  • 2009 SUBARU FORESTER
  • 4WD
  • AUTOMATIC
  • 168,000 MILES
My car will not start in the cold after sitting overnight. It’s fine once jumped and I drive for a bit. I already installed a new alternator, battery, and cleaned the battery terminals, there is no corrosion. Nothing seems to fix this issue. Anything about freezing it will start fine.
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Monday, December 2nd, 2019 AT 12:10 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Hi,

When you say it won't start, do you mean it cranks and won't start or it does nothing at all?

https://www.2carpros.com/articles/car-cranks-but-wont-start

Let me know.

Joe
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Monday, December 2nd, 2019 AT 6:45 PM
Tiny
ALIBET15
  • MEMBER
  • 2 POSTS
It cranks. It sounds like it’s trying to turn over but just can’t without a jump.
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Tuesday, December 3rd, 2019 AT 12:55 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Make sure the ground between the battery and engine block is tight. You mentioned the battery is good, but check the other end. Also, does it start right away with a jump or is still a delayed start? When if first starts, is it smooth? Is there any smoke from the exhaust that may indicate a fuel related issue?
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Tuesday, December 3rd, 2019 AT 7:07 PM

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